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blagie [28]
3 years ago
15

Which of the following describes the graph of a linear function?

Mathematics
1 answer:
sveticcg [70]3 years ago
3 0
I believe that the last one is correct because it is not a curve but a straight line, and it can't be the second one because the y value does not decrease as x increases
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Ignore the stuff around it ,could someone explain me this?
Ierofanga [76]

Answer:

The lines blue and green are perpendicular

Step-by-step explanation:

we know that

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m=\frac{y2-y1}{x2-x1}

step 1

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we have the points

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substitute

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step 2

Find the slope of the red line

we have the points

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substitute

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step 3

Find the slope of the green line

we have the points

(-4,-1) and (2,-2)

substitute

m=\frac{-2+1}{2+4}

m=-\frac{1}{6}

step 4

Compare the slopes

Blue line ----> m=6

Red line ----. m=5

Green line ---> m=-\frac{1}{6}

so

The slope of the blue line and the green line are opposite reciprocal ( their product is equal to -1)

therefore

The lines blue and green are perpendicular

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Answer:

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